Tobacco evaporator and heating control method

Abstract

A tobacco evaporator, comprising a body, a smoke circulation channel, and a heating core assembly. The heating core assembly comprises a smoke bowl assembly and a preheating assembly; the smoke bowl assembly comprises a first bowl body and a second bowl body, and the first bowl body is used for accommodating a substance to be evaporated; the second bowl body is used for accommodating the preheating assembly and is elastically fastened to the preheating assembly, and the preheating assembly is used for when cleaning is needed, being detachably taken out of the second bowl body to clean the smoke circulation channel and pushing the preheating assembly into the fastening position in a set direction after cleaning is completed. A hot air heating mode for a material to be evaporated and a more convenient and thorough air channel cleaning structure are implemented.

What is claimed is: 
     
       1. A tobacco evaporator, comprising a body ( 1 ), a smoke circulation channel ( 10 ) vertically communicated along the body ( 1 ), and a heating core assembly ( 20 ) disposed on the path of the smoke circulation channel ( 10 ), wherein, the heating core assembly ( 20 ) comprises a smoke bowl assembly ( 21 ) and a preheating assembly ( 22 ) connected to the smoke bowl assembly ( 21 ); the smoke bowl assembly ( 21 ) comprises a first bowl body ( 211 ) and a second bowl body ( 212 ), and the first bowl body ( 211 ) and the second bowl body ( 212 ) are of an up-down structure or an inner and outer sleeving structure; the second bowl body ( 212 ) is elastically fastened to the preheating assembly ( 22 ), and the preheating assembly ( 22 ) is used for when cleaning is needed, being detachably taken out of the second bowl body ( 212 ) to clean the smoke circulation channel ( 10 ) and pushing the preheating assembly ( 22 ) into the fastening position in a set direction after cleaning is completed. 
     
     
       2. The tobacco evaporator according to  claim 1 , wherein, the first bowl body ( 211 ) is used for accommodating a substance to be evaporated, the second bowl body ( 212 ) is used for accommodating the preheating assembly ( 22 ); the heating core assembly ( 20 ) further comprises a clamping portion ( 23 ) transversely arranged in the second bowl body ( 212 ), the preheating assembly ( 22 ) is elastically fastened to the second bowl body ( 212 ) through the clamping portion ( 23 ). 
     
     
       3. The tobacco evaporator according to  claim 2 , wherein, the tobacco evaporator further comprises a suction nozzle ( 2 ) arranged at one end of the body ( 1 ) and a vent pipe ( 11 ) arranged at another end of the body ( 1 ), the first bowl body ( 211 ) and the second bowl body ( 212 ) are in an integrated structure; the second bowl body ( 212 ) extends with a reduced diameter in a direction away from the first bowl body ( 211 ) and abuts against the vent pipe ( 11 ), the clamping portion( 23 ) is transversely arranged in the second bowl body ( 212 ), penetrates the preheating assembly ( 22 ), and abuts against the second bowl body ( 212 ) to make the preheating assembly ( 22 ) elastically fastened to the second bowl body ( 212 ); when cleaning is needed, the preheating assembly ( 22 ) is detachably taken out of the second bowl body ( 212 ) and is pushed into the fastening position after cleaning is completed. 
     
     
       4. The tobacco evaporator according to  claim 3 , wherein, both ends of the clamping portion( 23 ) are provided with elastically stretchable bosses, the preheating assembly ( 22 ) is provided with two first openings ( 221 ) near an inner diameter of the second bowl body ( 212 ) with an abrupt change, the second bowl body ( 212 ) is provided with two first grooves ( 2121 ) at a position corresponding to the two first openings ( 221 ); the elastically stretchable bosses on both ends of the clamping portion ( 23 ) penetrate the first opening ( 221 ), and is inserted into the second bowl body ( 212 ), and abuts against a side wall of the first groove ( 2121 ) to make the preheating assembly ( 22 ) elastically fastened to the second bowl body ( 212 ). 
     
     
       5. The tobacco evaporator according to  claim 2 , wherein, the tobacco evaporator further comprises a vent pipe ( 11 ) and a support tube ( 12 ) arranged on the other end of the body ( 1 ), the first bowl body ( 211 ) an d the second bowl body ( 212 ) are in an integrated structure; the second bowl body ( 212 ) extends with a reduced diameter in a direction away from the first bowl body ( 211 ); one end of the support tube ( 12 ) abuts against the body ( 1 ), the other end of the support tube ( 12 ) extends to the second bowl body ( 212 ) and abuts against a bottom of the second bowl body ( 212 ); one end of the vent pipe ( 11 ) abuts against the body ( 1 ), the other end of the vent pipe ( 11 ) extends to the preheating assembly ( 22 ) and is fixedly connected with a bottom of the preheating assembly ( 22 ); the clamping portion( 23 ) is transversely arranged in the second bowl body ( 212 ), penetrates the preheating assembly ( 22 ), and abuts against the second bowl body ( 212 ) to make the preheating assembly ( 22 ) elastically fastened to the second bowl body ( 212 ); when cleaning is needed, the preheating assembly ( 22 ) is taken out of the second bowl body ( 212 ) and is pushed into the fastening position after cleaning is completed. 
     
     
       6. The tobacco evaporator according to  claim 5 , wherein, both ends of the clamping portion ( 23 ) are provided with elastically stretchable bosses, the preheating assembly ( 22 ) is provided with two second openings ( 222 ) near an inner diameter of the second bowl body ( 212 ) with an abrupt change, the second bowl body ( 212 ) is provided with two second grooves ( 2122 ) at a position corresponding to the two second openings ( 222 ); the elastically stretchable bosses on both ends of the clamping portion ( 23 ) penetrate the second opening ( 222 ), and is inserted into the second bowl body ( 212 ), and abuts against a side wall of the second groove ( 2122 ) to make the preheating assembly ( 22 ) elastically fastened to the second bowl body ( 212 ). 
     
     
       7. The tobacco evaporator according to  claim 2 , wherein, the preheating assembly ( 22 ) comprises a preheating assembly housing ( 224 ), thermal conductive materials ( 225 ) placed inside the preheating assembly housing ( 224 ) and a heating element ( 226 ) sleeved outside the second bowl body ( 212 ), an outer wall of the preheating assembly housing ( 224 ) is contacted with an inner wall of the second bowl body ( 212 ); the heating element ( 226 ) contacted with an outer wall of the second bowl body ( 212 ) is used for heating the thermal conductive materials ( 225 ). 
     
     
       8. The tobacco evaporator according to  claim 7 , wherein, the tobacco evaporator further comprises a heat insulation ( 30 ) for insulating the preheating assembly ( 22 ) when the heating element ( 226 ) generates heat, the heat insulation ( 30 ) comprises an insulation ring ( 31 ) sleeved at an upper end of the first bowl body ( 211 ), an insulation sleeve ( 32 ) arranged outside the second bowl body ( 212 ) and a sealing silica gel ( 33 ) connecting the insulation ring ( 31 ) and the insulation sleeve ( 32 ); one end of the insulation sleeve ( 32 ) is connected with the sealing silica gel ( 33 ), the other end of the insulation sleeve ( 32 ) is bent to the vent pipe ( 11 ); the heat insulation ( 30 ) forms a closed thermal insulation space with the smoke bowl assembly ( 21 ) and the vent pipe ( 11 ), and the thermal insulation space is filled with thermal insulation materials to insulate the tobacco evaporator. 
     
     
       9. The tobacco evaporator according to  claim 2 , wherein, the preheating assembly ( 22 ) comprises a preheating assembly housing ( 224 ), a spiral part ( 227 ) placed under the preheating assembly housing ( 224 ) and abutted against the preheating assembly housing ( 224 ), and a heating element ( 226 ) sleeved outside the second bowl body ( 212 ); an outer wall of the spiral part ( 227 ) is contacted with an inner wall of the second bowl body ( 212 ); the heating element ( 226 ) contacted with an outer wall of the second bowl body ( 212 ) is used for heating cold air; the outer wall of the spiral part ( 227 ) and the inner wall of the second bowl body ( 212 ) form a spiral preheating channel through which the cold air passes to realize the uniform heating of the cold air. 
     
     
       10. The tobacco evaporator according to  claim 1 , wherein, the tobacco evaporator further comprises a suction nozzle ( 2 ) arranged at one end of the body ( 1 ) and a vent pipe ( 11 ) arranged at another end of the body ( 1 ), the second bowl body ( 212 ) is sleeved on an outer periphery of the first bowl body ( 211 ); the first bowl body ( 211 ) is elastically fastened with the second bowl body ( 212 ), the first bowl body ( 211 ) is used for accommodating a substance to be evaporated and the preheating assembly ( 22 ); the heating core assembly ( 20 ) comprises a clamping portion ( 23 ) transversely arranged in the second bowl body ( 212 ), the preheating assembly ( 22 ) is elastically fastened with second bowl body ( 212 ) through the clamping portion( 23 ); the clamping portion( 23 ) penetrates and accommodates the preheating assembly ( 22 ) and the first bowl body ( 211 ), and abuts against the second bowl body ( 212 ); when cleaning is needed, the preheating assembly ( 22 ) is taken out of the second bowl body ( 212 ) and is pushed into the fastening position after cleaning is completed. 
     
     
       11. The tobacco evaporator according to  claim 10 , wherein, both ends of the clamping portion( 23 ) are provided with elastically stretchable bosses, the first bowl body ( 211 ) is provided with two fifth openings ( 2111 ), the second bowl body ( 212 ) is provided with two third grooves ( 2123 ) at a position corresponding to the two fifth openings ( 2111 ); the elastically stretchable bosses on both ends of the clamping portion ( 23 ) penetrate the fifth opening ( 2111 ), and is inserted into a side wall of the second bowl body ( 212 ), and abuts against a side wall of the third groove ( 2123 ) to make the preheating assembly ( 22 ) elastically fastened to the second bowl body ( 212 ). 
     
     
       12. The tobacco evaporator according to  claim 1 , wherein, the tobacco evaporator further comprises a flip cover ( 4 ) rotatably connected to the body ( 1 ), a rotating shaft ( 13 ) is arranged on a bottom of the body ( 1 ), and one end of the flip cover ( 4 ) is provided with a hole ( 41 ) matched with a clearance of the rotating shaft ( 13 ), so that the flip cover ( 4 ) can be turned along the rotating shaft ( 13 ).